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authorRobert Richter <robert.richter@amd.com>2012-09-12 12:59:44 +0200
committerIngo Molnar <mingo@kernel.org>2012-10-05 13:57:47 +0200
commit2e132b12f78d88672711ae1d87624951de1089ca (patch)
treebfbfa9b51e5e01ef9ad599816de2bb8915a2b10f /include/linux/perf_event.h
parentc942ee2e62dff1a7bc6f809965e93e46808d554c (diff)
perf/AMD/IBS: Add sysfs support
Add sysfs format entries for AMD IBS PMUs: # find /sys/bus/event_source/devices/ibs_*/format /sys/bus/event_source/devices/ibs_fetch/format /sys/bus/event_source/devices/ibs_fetch/format/rand_en /sys/bus/event_source/devices/ibs_op/format /sys/bus/event_source/devices/ibs_op/format/cnt_ctl This allows to specify following IBS options: $ perf record -e ibs_fetch/rand_en=1/GH ... $ perf record -e ibs_op/cnt_ctl=1/GH ... Option cnt_ctl is only enabled if the IBS_CAPS_OPCNT bit is set in IBS cpuid feature flags (AMD family 10h RevC and above). Signed-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1347447584-28405-1-git-send-email-robert.richter@amd.com [ Added small readability improvements. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/perf_event.h')
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